#pragma once

#include <iostream> 
#include <opencv2/opencv.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>

#include <opencv2/core/core.hpp> 
#include <opencv2/highgui/highgui.hpp> 
#include <cstdio>


void demo0_0(void);
void demo0_1(void);
void demo0_2(void);
void demo0_3(void);
